862235e57e
address, base58, base58check, hash all working with tests. base58check code taken from bitcore.
43 lines
1.0 KiB
JavaScript
43 lines
1.0 KiB
JavaScript
var hashjs = require('hash.js');
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var sha512 = require('sha512');
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var ripemd160 = require('ripemd160');
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var Hash = module.exports;
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Hash.sha256 = function(buf) {
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if (!Buffer.isBuffer(buf))
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throw new Error('sha256 hash must be of a buffer');
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var hash = (new hashjs.sha256()).update(buf).digest();
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return new Buffer(hash);
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};
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Hash.sha256sha256 = function(buf) {
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try {
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return Hash.sha256(Hash.sha256(buf));
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} catch (e) {
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throw new Error('sha256sha256 hash must be of a buffer');
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}
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};
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Hash.ripemd160 = function(buf) {
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if (!Buffer.isBuffer(buf))
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throw new Error('ripemd160 hash must be of a buffer');
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var hash = ripemd160(buf);
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return new Buffer(hash);
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};
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Hash.sha256ripemd160 = function(buf) {
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try {
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return Hash.ripemd160(Hash.sha256(buf));
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} catch (e) {
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throw new Error('sha256ripemd160 hash must be of a buffer');
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}
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};
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Hash.sha512 = function(buf) {
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if (!Buffer.isBuffer(buf))
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throw new Error('sha512 hash must be of a buffer');
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var hash = sha512(buf);
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return new Buffer(hash);
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};
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